The Osprey AirCover combines the tried and true AirPorter with a protective raincover. The Medium size fits 50-65L packs.

The AirCover features:

• Waterproof protection - protects your pack and its contents from water ingress
• Interior bungee cord - for fine adjustment
• Zip-back closure - for convenient transformation
• Grab handle - converts your pack into a protected duffel.